Who is Donald Trump's secretary of state nominee Rex Tillerson? – video profile

Rex Tillerson, the 64-year-old Exxon Mobile CEO, is president-elect Donald Trump’s nominee for US secretary of state. Tillerson has worked at the oil giant for his entire 41-year career and has strong links with Rosneft in Russia – and with the Kremlin. His appointment now depends on finding majority support among Republicans in the Senate